Ak Index
A daily average index used to summarize local geomagnetic activity at a single observing station over a 24-hour period.
Fact-checked against real, cited sources. See how we verify our content.
← Back to the full glossary
A daily average index used to summarize local geomagnetic activity at a single observing station over a 24-hour period.
Fact-checked against real, cited sources. See how we verify our content.